/* ============================================================
   css/reguladores.css  —  Prefijo .rp-  (reguladores-presion.html)
   ============================================================ */

:root {
    --rp-navy:   #02042B;
    --rp-blue:   #1B6CA8;
    --rp-lblue:  #D5EBF8;
    --rp-gray:   #F4F6F8;
    --rp-lgray:  #F7F9FC;
    --rp-white:  #FFFFFF;
    --rp-txt:    #2d2d2d;
    --rp-muted:  #5a6372;
    --rp-ease:   cubic-bezier(.4, 0, .2, 1);
}

/* ── Animaciones ── */
.rp-reveal,
.rp-reveal--left,
.rp-reveal--right {
    opacity: 0;
    transition: opacity .55s var(--rp-ease), transform .55s var(--rp-ease);
}
.rp-reveal         { transform: translateY(28px); }
.rp-reveal--left   { transform: translateX(-36px); }
.rp-reveal--right  { transform: translateX(36px); }
.rp-reveal.rp-visible,
.rp-reveal--left.rp-visible,
.rp-reveal--right.rp-visible { opacity: 1; transform: none; }

/* ── Contenedor ── */
.rp-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Encabezado de sección ── */
.rp-section-header { text-align: center; margin-bottom: 56px; }
.rp-section-header h2 { color: var(--rp-navy); margin: 12px 0 16px; font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; }
.rp-section-header p  { color: var(--rp-muted); max-width: 700px; margin: 0 auto; font-size: 1rem; line-height: 1.65; }
.rp-section-header--inv h2 { color: var(--rp-white); }
.rp-section-header--inv p  { color: rgba(255,255,255,.78); }

.rp-section-line { width: 54px; height: 3px; background: var(--rp-blue); margin: 0 auto 16px; border-radius: 2px; }
.rp-section-line--inv { background: rgba(255,255,255,.5); }

/* ── Badge ── */
.rp-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--rp-lblue); color: var(--rp-blue);
    font-size: .78rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
    padding: 5px 13px; border-radius: 50px; margin-bottom: 12px;
}
.rp-badge--inv  { background: rgba(255,255,255,.14); color: var(--rp-white); }
.rp-badge--arm  { background: #fef3cd; color: #856404; }

/* ── Botones ── */
.rp-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 26px; border-radius: 6px; font-weight: 600;
    font-size: .93rem; text-decoration: none; cursor: pointer;
    border: 2px solid transparent;
    transition: background .22s, color .22s, border-color .22s, transform .15s;
    font-family: 'Poppins', sans-serif;
}
.rp-btn:hover { transform: translateY(-2px); }
.rp-btn--primary      { background: var(--rp-blue); color: var(--rp-white); }
.rp-btn--primary:hover{ background: #154f7a; }
.rp-btn--wa           { background: #25D366; color: var(--rp-white); border-color: #25D366; }
.rp-btn--wa:hover     { background: #1da851; border-color: #1da851; }
.rp-btn--light        { background: var(--rp-white); color: var(--rp-navy); }
.rp-btn--light:hover  { background: var(--rp-lblue); }
.rp-btn--outline      { background: transparent; border-color: var(--rp-blue); color: var(--rp-blue); }
.rp-btn--outline:hover{ background: var(--rp-blue); color: var(--rp-white); }
.rp-btn--outline-inv  { background: transparent; border-color: rgba(255,255,255,.5); color: var(--rp-white); }
.rp-btn--outline-inv:hover { background: rgba(255,255,255,.15); }
.rp-btn--outline-light{ background: transparent; border-color: rgba(255,255,255,.6); color: var(--rp-white); }
.rp-btn--outline-light:hover{ background: rgba(255,255,255,.1); }
.rp-btn--sm           { padding: 9px 18px; font-size: .86rem; }


/* ============================================================
   S1 — INTRODUCCIÓN
   ============================================================ */
.rp-intro { padding: 96px 0; background: var(--rp-white); }
.rp-intro__grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 72px; align-items: center;
}
.rp-intro__text h2 {
    font-size: clamp(1.45rem, 2.8vw, 2rem);
    color: var(--rp-navy); font-weight: 700; margin: 12px 0 18px; line-height: 1.25;
}
.rp-intro__lead { font-size: 1.05rem; color: var(--rp-muted); line-height: 1.65; margin-bottom: 14px; }
.rp-intro__text p { color: var(--rp-muted); line-height: 1.65; margin-bottom: 14px; }

.rp-intro__pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.rp-pill {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--rp-lgray); color: var(--rp-navy);
    border: 1px solid #dce6f0; border-radius: 50px;
    font-size: .82rem; font-weight: 500; padding: 5px 14px;
}
.rp-pill i { color: var(--rp-blue); }
.rp-intro__btns { display: flex; gap: 14px; flex-wrap: wrap; }

.rp-intro__img-col {
    display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.rp-intro__img-wrap {
    border-radius: 16px; overflow: hidden;
    box-shadow: 0 16px 48px rgba(2,4,43,.14);
    border: 2px solid var(--rp-lblue);
    background: var(--rp-gray);
}
.rp-intro__img-wrap img {
    width: 100%; display: block;
    transition: transform .45s var(--rp-ease);
    cursor: zoom-in;
}
.rp-intro__img-wrap img:hover { transform: scale(1.04); }
.rp-intro__img-tag {
    font-size: .82rem; color: var(--rp-muted);
    background: var(--rp-gray); padding: 7px 16px;
    border-radius: 50px; font-weight: 500;
}
.rp-intro__img-tag i { color: var(--rp-blue); margin-right: 5px; }


/* ============================================================
   S2 — ¿QUÉ ES?
   ============================================================ */
.rp-que-es { padding: 96px 0; background: var(--rp-lgray); }
.rp-que-es__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.rp-que-es__text h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); color: var(--rp-navy); font-weight: 700; margin: 0 0 16px; }
.rp-que-es__text p  { color: var(--rp-muted); line-height: 1.65; margin-bottom: 16px; }
.rp-que-es__text h3 { color: var(--rp-navy); font-size: 1.05rem; font-weight: 700; margin: 24px 0 14px; }

.rp-tipos { display: flex; flex-direction: column; gap: 16px; }
.rp-tipo {
    display: flex; gap: 14px; padding: 18px 20px;
    background: var(--rp-white); border-radius: 10px; border-left: 3px solid var(--rp-blue);
    box-shadow: 0 2px 10px rgba(2,4,43,.05);
}
.rp-tipo__icon { color: var(--rp-blue); font-size: 1rem; margin-top: 3px; flex-shrink: 0; }
.rp-tipo strong { color: var(--rp-navy); display: block; margin-bottom: 6px; font-size: .92rem; }
.rp-tipo p { color: var(--rp-muted); font-size: .86rem; line-height: 1.55; margin: 0; }

.rp-que-es__def-card {
    background: var(--rp-navy); border-radius: 14px; padding: 28px; margin-bottom: 20px;
}
.rp-que-es__def-title { color: var(--rp-lblue); font-size: .82rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }
.rp-que-es__def-card blockquote { color: var(--rp-white); font-size: 1rem; line-height: 1.65; margin: 0; font-style: italic; border-left: 3px solid var(--rp-lblue); padding-left: 16px; }

.rp-que-es__terms { display: flex; flex-direction: column; gap: 12px; }
.rp-que-es__term {
    background: var(--rp-white); border-radius: 8px; padding: 13px 16px;
    border: 1px solid #dce6f0; font-size: .86rem; line-height: 1.5;
    display: flex; flex-direction: column; gap: 3px;
}
.rp-que-es__term span { color: var(--rp-blue); font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }


/* ============================================================
   S3 — FUNCIONAMIENTO
   ============================================================ */
.rp-func { padding: 96px 0; background: var(--rp-white); }
.rp-func__diagram {
    display: flex; align-items: stretch; justify-content: center;
    gap: 0; margin-bottom: 56px; flex-wrap: wrap;
    background: var(--rp-gray); border-radius: 16px; padding: 32px; gap: 8px;
}
.rp-func__step {
    flex: 1; min-width: 160px; display: flex; flex-direction: column; align-items: center;
    text-align: center; padding: 24px 16px; border-radius: 12px;
    transition: transform .22s;
}
.rp-func__step:hover { transform: translateY(-4px); }
.rp-func__step--in       { background: #fff3cd; }
.rp-func__step--valve    { background: var(--rp-navy); color: var(--rp-white); }
.rp-func__step--out      { background: #d1fae5; }
.rp-func__step--consumer { background: var(--rp-lblue); }
.rp-func__step-icon { font-size: 2rem; margin-bottom: 10px; }
.rp-func__step--in       .rp-func__step-icon { color: #856404; }
.rp-func__step--valve    .rp-func__step-icon { color: var(--rp-lblue); }
.rp-func__step--out      .rp-func__step-icon { color: #065f46; }
.rp-func__step--consumer .rp-func__step-icon { color: var(--rp-navy); }
.rp-func__step-label { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.rp-func__step--valve    .rp-func__step-label { color: rgba(255,255,255,.75); }
.rp-func__step-val  { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.rp-func__step--valve    .rp-func__step-val   { color: var(--rp-white); }
.rp-func__step-sub  { font-size: .76rem; color: var(--rp-muted); line-height: 1.4; }
.rp-func__step--valve    .rp-func__step-sub   { color: rgba(255,255,255,.65); }
.rp-func__arrow { display: flex; align-items: center; color: var(--rp-blue); font-size: 1.4rem; flex-shrink: 0; }

.rp-func__steps { display: flex; flex-direction: column; gap: 18px; max-width: 820px; margin: 0 auto; }
.rp-func__info { display: flex; gap: 20px; padding: 20px 24px; background: var(--rp-gray); border-radius: 12px; border-left: 4px solid var(--rp-blue); }
.rp-func__info-num { font-size: 1.8rem; font-weight: 800; color: var(--rp-lblue); line-height: 1; flex-shrink: 0; min-width: 32px; }
.rp-func__info strong { display: block; color: var(--rp-navy); font-size: .95rem; margin-bottom: 6px; }
.rp-func__info p { color: var(--rp-muted); font-size: .88rem; line-height: 1.6; margin: 0; }


/* ============================================================
   S4 — BENEFICIOS
   ============================================================ */
.rp-beneficios { padding: 96px 0; background: var(--rp-navy); }
.rp-beneficios__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rp-ben__card {
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
    border-radius: 14px; padding: 32px 24px; text-align: center;
    transition: background .22s, border-color .22s, transform .22s;
}
.rp-ben__card:hover { background: rgba(27,108,168,.25); border-color: rgba(213,235,248,.35); transform: translateY(-4px); }
.rp-ben__icon { font-size: 2rem; color: var(--rp-lblue); margin-bottom: 14px; }
.rp-ben__card h3 { color: var(--rp-white); font-size: 1rem; font-weight: 700; margin: 0 0 10px; }
.rp-ben__card p  { color: rgba(255,255,255,.72); font-size: .87rem; line-height: 1.6; margin: 0; }


/* ============================================================
   S5 — APLICACIONES
   ============================================================ */
.rp-apps { padding: 96px 0; background: var(--rp-lgray); }
.rp-apps__grid { display: flex; flex-direction: column; gap: 14px; }
.rp-app {
    display: flex; align-items: flex-start; gap: 18px;
    background: var(--rp-white); border-radius: 12px; padding: 20px 24px;
    border: 1px solid #dce6f0; transition: box-shadow .22s, border-color .22s;
}
.rp-app:hover { box-shadow: 0 4px 18px rgba(27,108,168,.1); border-color: var(--rp-lblue); }
.rp-app__icon { font-size: 1.5rem; color: var(--rp-blue); flex-shrink: 0; margin-top: 2px; }
.rp-app__text strong { display: block; color: var(--rp-navy); font-size: .95rem; font-weight: 700; margin-bottom: 4px; }
.rp-app__text p { color: var(--rp-muted); font-size: .87rem; line-height: 1.55; margin: 0; }


/* ============================================================
   S6 — ARMSTRONG
   ============================================================ */
.rp-armstrong { padding: 96px 0; background: var(--rp-white); }
.rp-armstrong__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.rp-armstrong__img-col { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.rp-armstrong__img-wrap {
    border-radius: 16px; overflow: hidden;
    box-shadow: 0 16px 48px rgba(2,4,43,.14); border: 2px solid var(--rp-lblue);
    background: var(--rp-gray);
}
.rp-armstrong__img-wrap img { width: 100%; display: block; transition: transform .4s; cursor: zoom-in; }
.rp-armstrong__img-wrap img:hover { transform: scale(1.04); }
.rp-armstrong__brand-tag {
    display: flex; align-items: center; gap: 10px;
    background: var(--rp-gray); border-radius: 50px; padding: 8px 18px;
    font-size: .82rem; font-weight: 500; color: var(--rp-muted);
}
.rp-armstrong__brand-tag img { height: 24px; width: auto; }

.rp-armstrong__text h3 { color: var(--rp-navy); font-size: 1.2rem; font-weight: 700; margin: 0 0 14px; }
.rp-armstrong__text p  { color: var(--rp-muted); line-height: 1.65; margin-bottom: 14px; font-size: .93rem; }

.rp-armstrong__specs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 20px 0; }
.rp-arm__spec {
    background: var(--rp-gray); border-radius: 8px; padding: 12px 14px;
    border: 1px solid #dce6f0; display: flex; flex-direction: column; gap: 2px;
}
.rp-arm__spec-label { font-size: .73rem; text-transform: uppercase; letter-spacing: .06em; color: var(--rp-muted); font-weight: 600; }
.rp-arm__spec-val   { font-size: .9rem; font-weight: 700; color: var(--rp-navy); }

.rp-armstrong__feats { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.rp-arm__feat { display: flex; align-items: center; gap: 8px; font-size: .9rem; color: var(--rp-txt); }
.rp-arm__feat i { color: var(--rp-blue); font-size: .82rem; }


/* ============================================================
   S7 — VARIANTES GP
   ============================================================ */
.rp-variantes { padding: 96px 0; background: var(--rp-lgray); }
.rp-variantes__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.rp-variante__card {
    background: var(--rp-white); border-radius: 14px; padding: 32px 28px;
    border: 2px solid #dce6f0; transition: border-color .22s, box-shadow .22s;
}
.rp-variante__card:hover { border-color: var(--rp-blue); box-shadow: 0 8px 28px rgba(27,108,168,.1); }
.rp-variante__header { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.rp-variante__icon { width: 44px; height: 44px; border-radius: 10px; background: var(--rp-lblue); color: var(--rp-blue); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.rp-variante__title h3 { margin: 0; color: var(--rp-navy); font-size: 1.1rem; font-weight: 700; }
.rp-variante__title span { font-size: .78rem; color: var(--rp-muted); text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
.rp-variante__card p { color: var(--rp-muted); font-size: .88rem; line-height: 1.6; margin-bottom: 16px; }
.rp-variante__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.rp-variante__list li { display: flex; align-items: center; gap: 7px; font-size: .86rem; color: var(--rp-txt); }
.rp-variante__list li i { color: var(--rp-blue); font-size: .78rem; }


/* ============================================================
   S8 — VAYREMEX
   ============================================================ */
.rp-vayremex { padding: 96px 0; background: var(--rp-navy); }
.rp-vay__model { margin-bottom: 56px; }
.rp-vay__model:last-child { margin-bottom: 0; }
.rp-vay__model-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
    background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
    border-radius: 18px; padding: 40px; overflow: hidden;
}
.rp-vay__model-grid--rev { }
.rp-vay__model--alt .rp-vay__model-grid { background: rgba(27,108,168,.15); border-color: rgba(213,235,248,.2); }

.rp-vay__imgs { display: flex; gap: 12px; align-items: flex-start; }
.rp-vay__imgs-main { flex: 1; border-radius: 12px; overflow: hidden; background: rgba(255,255,255,.06); }
.rp-vay__imgs-main img { width: 100%; display: block; cursor: zoom-in; transition: transform .4s; }
.rp-vay__imgs-main img:hover { transform: scale(1.04); }
.rp-vay__imgs-alt { width: 100px; border-radius: 10px; overflow: hidden; background: rgba(255,255,255,.06); }
.rp-vay__imgs-alt img { width: 100%; display: block; cursor: zoom-in; }

.rp-vay__model-badge {
    display: inline-block; background: var(--rp-blue); color: var(--rp-white);
    font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
    padding: 4px 12px; border-radius: 50px; margin-bottom: 10px;
}
.rp-vay__model-badge--alt { background: rgba(255,255,255,.2); }
.rp-vay__text h3 { color: var(--rp-white); font-size: 1.2rem; font-weight: 700; margin: 0 0 12px; }
.rp-vay__text p  { color: rgba(255,255,255,.75); font-size: .9rem; line-height: 1.65; margin-bottom: 14px; }
.rp-vay__feats { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-bottom: 20px; }
.rp-vay__feats span { color: rgba(255,255,255,.85); font-size: .84rem; display: flex; align-items: center; gap: 6px; }
.rp-vay__feats i { color: #4ade80; font-size: .76rem; }


/* ============================================================
   S9 — COMPARATIVA
   ============================================================ */
.rp-comp { padding: 96px 0; background: var(--rp-lgray); }
.rp-comp__wrap { overflow-x: auto; }
.rp-comp__table { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 700px; }
.rp-comp__table thead tr { background: var(--rp-navy); color: var(--rp-white); }
.rp-comp__table th { padding: 14px 16px; text-align: left; font-weight: 600; font-size: .85rem; }
.rp-comp__table td { padding: 12px 16px; border-bottom: 1px solid #dce6f0; color: var(--rp-txt); }
.rp-comp__table tbody tr:nth-child(even) { background: var(--rp-white); }
.rp-comp__table tbody tr:nth-child(odd)  { background: var(--rp-gray); }
.rp-comp__table tbody tr:hover           { background: var(--rp-lblue); }
.rp-comp__model { font-weight: 700; color: var(--rp-navy); }


/* ============================================================
   S10 — INDUSTRIAS
   ============================================================ */
.rp-industries { padding: 96px 0; background: var(--rp-navy); }
.rp-industries__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.rp-ind {
    display: flex; flex-direction: column; align-items: center; text-align: center;
    gap: 12px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
    border-radius: 12px; padding: 28px 18px;
    transition: background .22s, border-color .22s, transform .22s;
}
.rp-ind:hover { background: rgba(27,108,168,.28); border-color: rgba(213,235,248,.35); transform: translateY(-4px); }
.rp-ind__icon { font-size: 1.8rem; color: var(--rp-lblue); }
.rp-ind span  { color: rgba(255,255,255,.85); font-size: .86rem; font-weight: 500; line-height: 1.35; }


/* ============================================================
   S11 — REFACCIONES
   ============================================================ */
.rp-refac { padding: 96px 0; background: var(--rp-white); }
.rp-refac__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.rp-refac__text h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); color: var(--rp-navy); font-weight: 700; margin: 12px 0 14px; }
.rp-refac__lead { font-size: 1.05rem; color: var(--rp-muted); line-height: 1.65; margin-bottom: 14px; }
.rp-refac__text p { color: var(--rp-muted); line-height: 1.65; margin-bottom: 22px; }
.rp-refac__items { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.rp-refac__item {
    display: flex; align-items: flex-start; gap: 14px;
    padding: 14px 16px; background: var(--rp-gray); border-radius: 10px;
    border-left: 3px solid var(--rp-blue);
}
.rp-refac__item > i { color: var(--rp-blue); font-size: 1rem; margin-top: 3px; flex-shrink: 0; }
.rp-refac__item strong { display: block; color: var(--rp-navy); font-size: .9rem; margin-bottom: 2px; }
.rp-refac__item span  { color: var(--rp-muted); font-size: .82rem; }

.rp-refac__acc-card {
    background: var(--rp-gray); border-radius: 14px; padding: 28px; border: 2px solid #dce6f0;
}
.rp-refac__acc-title {
    font-size: .9rem; font-weight: 700; color: var(--rp-navy);
    display: flex; align-items: center; gap: 8px; margin-bottom: 16px;
}
.rp-refac__acc-title i { color: var(--rp-blue); }
.rp-refac__acc-card ul { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 8px; }
.rp-refac__acc-card li { display: flex; align-items: center; gap: 8px; font-size: .88rem; color: var(--rp-txt); }
.rp-refac__acc-card li i { color: var(--rp-blue); font-size: .78rem; }


/* ============================================================
   S12 — GUÍA DE SELECCIÓN
   ============================================================ */
.rp-guia { padding: 96px 0; background: var(--rp-lgray); }
.rp-guia__steps { display: flex; flex-direction: column; gap: 20px; margin-bottom: 40px; }
.rp-guia__step {
    display: flex; gap: 24px; padding: 24px 28px;
    background: var(--rp-white); border-radius: 14px; border: 1px solid #dce6f0;
    transition: box-shadow .22s;
}
.rp-guia__step:hover { box-shadow: 0 6px 22px rgba(27,108,168,.1); }
.rp-guia__step-num {
    font-size: 2rem; font-weight: 800; color: var(--rp-lblue); line-height: 1;
    flex-shrink: 0; min-width: 40px;
}
.rp-guia__step-body h3 { color: var(--rp-navy); font-size: 1rem; font-weight: 700; margin: 0 0 8px; }
.rp-guia__step-body p  { color: var(--rp-muted); font-size: .88rem; line-height: 1.65; margin: 0; }
.rp-guia__step-body p strong { color: var(--rp-navy); }

.rp-guia__cta {
    text-align: center; background: var(--rp-navy); border-radius: 14px; padding: 36px;
}
.rp-guia__cta p { color: rgba(255,255,255,.85); margin-bottom: 20px; font-size: .95rem; line-height: 1.6; }


/* ============================================================
   S13 — CONFIGURADOR
   ============================================================ */
.rp-cfg { padding: 96px 0; background: linear-gradient(135deg, #0d1a4a 0%, #02042B 60%, #0a2050 100%); }
.rp-cfg__card {
    background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15);
    border-radius: 18px; padding: 48px; max-width: 880px; margin: 0 auto;
}
.rp-cfg__fields {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px;
}
.rp-cfg__group { display: flex; flex-direction: column; gap: 6px; }
.rp-cfg__group--full { grid-column: 1 / -1; }
.rp-cfg__group label {
    color: rgba(255,255,255,.8); font-size: .82rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .05em;
}
.rp-cfg__group select,
.rp-cfg__group input,
.rp-cfg__group textarea {
    padding: 11px 14px; border-radius: 7px;
    border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.1);
    color: var(--rp-white); font-size: .92rem; font-family: 'Poppins', sans-serif;
    outline: none; transition: border-color .2s; appearance: auto; resize: vertical;
}
.rp-cfg__group select option { background: var(--rp-navy); color: var(--rp-white); }
.rp-cfg__group select:focus,
.rp-cfg__group input:focus,
.rp-cfg__group textarea:focus { border-color: var(--rp-lblue); }
.rp-cfg__group input::placeholder,
.rp-cfg__group textarea::placeholder { color: rgba(255,255,255,.35); }

.rp-cfg__actions { margin-bottom: 24px; }
.rp-cfg__result {
    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
    border-radius: 10px; padding: 24px; margin-bottom: 0;
}
.rp-cfg__result-label {
    color: rgba(255,255,255,.7); font-size: .8rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .06em; margin-bottom: 10px;
    display: flex; align-items: center; gap: 6px;
}
.rp-cfg__result-text {
    color: var(--rp-white); font-family: 'Poppins', sans-serif;
    font-size: .9rem; line-height: 1.7; white-space: pre-wrap; margin: 0 0 16px;
}
.rp-cfg__confirm {
    text-align: center; padding: 24px; background: rgba(74,222,128,.1);
    border: 1px solid rgba(74,222,128,.3); border-radius: 10px;
}
.rp-cfg__confirm-icon { font-size: 2.4rem; color: #4ade80; margin-bottom: 12px; }
.rp-cfg__confirm p    { color: rgba(255,255,255,.88); margin: 0 0 18px; font-size: .92rem; }
.rp-cfg__confirm-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }


/* ============================================================
   S14 — FAQ
   ============================================================ */
.rp-faq { padding: 96px 0; background: var(--rp-white); }
.rp-faq__list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.rp-faq__item { border: 1px solid #dce6f0; border-radius: 10px; overflow: hidden; transition: box-shadow .22s; }
.rp-faq__item.is-open { box-shadow: 0 4px 20px rgba(27,108,168,.1); }
.rp-faq__q {
    width: 100%; text-align: left; background: var(--rp-gray); border: none;
    padding: 16px 20px; font-family: 'Poppins', sans-serif; font-size: .93rem;
    font-weight: 600; color: var(--rp-navy); cursor: pointer;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    transition: background .2s;
}
.rp-faq__item.is-open .rp-faq__q { background: var(--rp-lblue); color: var(--rp-blue); }
.rp-faq__q i { font-size: .78rem; transition: transform .3s; flex-shrink: 0; }
.rp-faq__item.is-open .rp-faq__q i { transform: rotate(180deg); }
.rp-faq__a { max-height: 0; overflow: hidden; transition: max-height .35s var(--rp-ease); }
.rp-faq__item.is-open .rp-faq__a { max-height: 500px; }
.rp-faq__a p { padding: 18px 22px; color: var(--rp-muted); font-size: .9rem; line-height: 1.65; margin: 0; }
.rp-faq__a p strong { color: var(--rp-navy); }
.rp-faq__a p em { font-style: italic; }


/* ============================================================
   CTA FINAL
   ============================================================ */
.rp-cta-final { padding: 96px 0; background: linear-gradient(135deg, #1B6CA8 0%, #02042B 100%); }
.rp-cta-final__inner { text-align: center; }
.rp-cta-final__inner h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); color: var(--rp-white); font-weight: 700; margin: 0 0 16px; }
.rp-cta-final__inner p  { color: rgba(255,255,255,.82); font-size: 1rem; line-height: 1.65; margin-bottom: 32px; max-width: 660px; margin-left: auto; margin-right: auto; }
.rp-cta-final__btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.rp-cta-final__related {
    display: flex; align-items: center; flex-wrap: wrap; gap: 10px; justify-content: center;
    padding-top: 32px; border-top: 1px solid rgba(255,255,255,.15);
}
.rp-cta-final__related span { color: rgba(255,255,255,.6); font-size: .85rem; }
.rp-cta-final__related a {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,.1); color: var(--rp-white);
    border: 1px solid rgba(255,255,255,.2); border-radius: 50px;
    padding: 7px 14px; font-size: .84rem; text-decoration: none;
    transition: background .2s;
}
.rp-cta-final__related a:hover { background: rgba(255,255,255,.22); }
.rp-cta-final__related a i { color: var(--rp-lblue); }


/* ============================================================
   LIGHTBOX
   ============================================================ */
.rp-lightbox {
    position: fixed; inset: 0; z-index: 9000;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none; transition: opacity .3s;
}
.rp-lightbox.is-open { opacity: 1; pointer-events: auto; }
.rp-lightbox__overlay { position: absolute; inset: 0; background: rgba(2,4,43,.88); }
.rp-lightbox__box {
    position: relative; z-index: 1; max-width: 90vw; max-height: 90vh;
    display: flex; flex-direction: column; align-items: center; gap: 12px;
}
.rp-lightbox__close {
    position: absolute; top: -44px; right: 0; width: 38px; height: 38px;
    border-radius: 50%; border: none; background: rgba(255,255,255,.18);
    color: var(--rp-white); font-size: 1.1rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center; transition: background .2s;
}
.rp-lightbox__close:hover { background: rgba(255,255,255,.32); }
.rp-lightbox__img { max-width: 90vw; max-height: 78vh; border-radius: 10px; object-fit: contain; box-shadow: 0 24px 72px rgba(0,0,0,.5); }
.rp-lightbox__caption { color: rgba(255,255,255,.75); font-size: .85rem; text-align: center; }


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .rp-intro__grid,
    .rp-que-es__grid,
    .rp-armstrong__grid,
    .rp-refac__grid   { grid-template-columns: 1fr; gap: 48px; }
    .rp-variantes__grid { grid-template-columns: 1fr; }
    .rp-beneficios__grid { grid-template-columns: repeat(2, 1fr); }
    .rp-vay__model-grid { grid-template-columns: 1fr; gap: 28px; }
    .rp-cfg__card { padding: 32px 24px; }
    .rp-vay__imgs-alt { display: none; }
}

@media (max-width: 768px) {
    .rp-intro, .rp-que-es, .rp-func, .rp-beneficios, .rp-apps,
    .rp-armstrong, .rp-variantes, .rp-vayremex, .rp-comp, .rp-industries,
    .rp-refac, .rp-guia, .rp-cfg, .rp-faq, .rp-cta-final { padding: 64px 0; }

    .rp-beneficios__grid { grid-template-columns: 1fr; }
    .rp-cfg__fields { grid-template-columns: 1fr; }
    .rp-armstrong__specs { grid-template-columns: 1fr; }
    .rp-vay__feats { grid-template-columns: 1fr; }
    .rp-intro__btns, .rp-cta-final__btns { flex-direction: column; align-items: center; }
    .rp-func__diagram { flex-direction: column; }
    .rp-func__arrow { transform: rotate(90deg); }
    .rp-guia__step { flex-direction: column; gap: 10px; }
}

@media (max-width: 480px) {
    .rp-industries__grid { grid-template-columns: repeat(2, 1fr); }
    .rp-cfg__confirm-btns { flex-direction: column; align-items: center; }
}